Three-Cheese Spaghetti Gratin is a family favorite that's quick and easy to make. Turn Three-Cheese Spaghetti Gratin into a full meal by adding vegetables and chicken.
1 1/2 cups cooked spaghetti
1 cup shredded mozzarella
1/2 cup grated Swiss cheese, preferably Gruyère
3 scallions, white parts only, thinly sliced
4 large eggs
1/2 cup milk
1/2 teaspoon salt
1/4 teaspoon pepper
1 cup panko
1/2 cup grated Parmesan
3 tablespoons unsalted butter, melted and cooled
How to Make It
Preheat oven to 375°F and generously mist a 9-inch glass or ceramic pie dish with cooking spray.
Combine spaghetti, mozzarella and Swiss cheese in a large bowl. Add scallions and toss to blend. In a small bowl, beat eggs with milk until blended. Pour over spaghetti, season with 1/2 tsp. salt and 1/4 tsp. pepper, mix well and pour into baking dish.
Combine panko and Parmesan in a small bowl. Add melted butter; toss with a fork to coat crumbs. Spread evenly over top of spaghetti mixture and bake until golden brown on top, about 25 minutes. Let stand for 5 minutes. Cut into wedges and serve.